Jackson County is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 65% of adults in Jackson County typically vote, near the U.S. average of about 62%. Among adults in Jackson County, ~16% vote Democratic, ~49% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How Jackson County compares
Among counties within 50 miles, Jackson County leans more Republican than 10 of 22 neighbors.
Jackson County runs about 32 points more Republican than Indiana as a whole.
Politics vary noticeably by city within Jackson County. The northwest side is the most Republican-leaning (R+67) and the east side is the least Republican-leaning (R+39), a spread of about 28 points.
Why Jackson County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Jackson County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 82% of residents in Jackson County drive to work alone, about 8 points above the U.S. average of 74%.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Jackson County, IN sits in the top quarter nationally on this measure.
Why turnout in Jackson County looks the way it does
Turnout in Jackson County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Jennings County, IN R+56
- Scott County, IN R+53
- Bartholomew County, IN R+30
- Brown County, IN R+43
- Washington County, IN R+57
- Jefferson County, IN R+43
- Lawrence County, IN R+51
- Decatur County, IN R+54
- Monroe County, IN D+29
- Trimble County, KY R+57
Counties with Similar Populations
- Auglaize County, OH R+59
- Stevens County, WA R+37
- Allegany County, NY R+39
- Clinton County, IA R+21
- Charlottesville City, VA D+60
- Chambers County, TX R+58
- Monroe County, WI R+28
- Monroe County, TN R+67
- Beltrami County, MN R+4
- Logan County, OH R+51
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Indiana Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.